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D. Pandel, F. A. Cordova, R. E. Shirey (UC Santa Barbara), G. Ramsay, M. Cropper, K. O. Mason (MSSL), D. Kilkenny (SAAO)
We present a spectral and timing analysis of XMM-Newton data of the two eclipsing magnetic cataclysimic variables DP Leo and WW Hor. Both systems were observed during an intermediate state of accretion. Hard X-ray components were detected in both systems, while only in DP Leo a soft blackbody component was found. We study the hard and soft X-ray and optical light curves and eclipse profiles in order to constrain the geometry of the accretion regions, investigate long term changes of the accretion geometry and use the X-ray spectra to obtain the white dwarf masses.